55990060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{911}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 134830080

約数和(自身を除く): 78840020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 911, 1756, 1822, 2195, 3073, 3644, 4390, 4555, 6146, 6377, 8780, 9110, 12292, 12754, 15365, 18220, 25508, 30730, 31885, 61460, 63770, 127540, 399929, 799858, 1599716, 1999645, 2799503, 3999290, 5599006, 7998580, 11198012, 13997515, 27995030, 55990060]

約数ペア:

[(1, 55990060), (2, 27995030), (4, 13997515), (5, 11198012), (7, 7998580), (10, 5599006), (14, 3999290), (20, 2799503), (28, 1999645), (35, 1599716), (70, 799858), (140, 399929), (439, 127540), (878, 63770), (911, 61460), (1756, 31885), (1822, 30730), (2195, 25508), (3073, 18220), (3644, 15365), (4390, 12754), (4555, 12292), (6146, 9110), (6377, 8780)]